長期血液透析中に肺に巨大な石灰沈着をきたした症例

Abstract

41 year old man developed ectopic calcification in the right lung while on the long-term hemodialysis. He has been on hemodialysis because of chronic renal failure for nine years. Two years ago, his chest X-ray revealed ectopic calcification which has gradually increased in size. This abnormality was diagnosed as ectopic calcification, a kind of renal osteodystrophy, due to long-term hemodialysis. The values of serum phosphate and alkaline phosphatase were very high in January 1979. He was placed on six grams of aluminum hydroxide gel and 1γ of vitamin D3 (1-α-D3) per day. The patient responded well to this treatment. The calcification shadow was remarkably diminished. The level of serum phosphate and alkaline phosphatase also markedly lowered. The level of serum phosphate was found to have returned normal in November, 1979. The level of alkaline phosphatase was also decreased in strikingly diminished at this time.